<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>管理系统</title>
		<style>
			/* * {
				margin: 0px;
				padding: 0px;
			} */
			
			#list {
				width: 720px;
				height: 50px;
				margin: 12px auto;
				padding: 0px;
				text-align: center;
				color: #927cff;
			}
			
			#list a {
				text-decoration: none;
			}
			
			#list, #list .ul-sub-menu {
				list-style: none;
			}
			
			#list .caption {
				background-color: #c6c6c6;
				float: left;
				display: block;
				position: relative;
				width: 80px;
				height: 50px;
				line-height: 50px;
				padding: 0px 20px;
			}
			
			#list .caption:hover {
				background-color: #d0ffbc;
			}
			
			#list .caption:hover .ul-sub-menu {
				display: block;
			}
			
			#list .caption .ul-sub-menu {
				display: none;
				position: absolute;
				top: 50px;
				left: 0px;
				padding: 0px;
			}
			
			#list .caption .ul-sub-menu li {
				width: 120px;
				height: 50px;
				line-height: 50px;
				background-color: #949494;
			}
			
			#list .ul-sub-menu a {
				color: blue;
			}
			
			#list .caption .ul-sub-menu li:hover {
				background-color: #fffb77;
			}
		</style>
	</head>
	<body>
		<ul id="list">
			<li class="caption">
				<a href="#">首页</a>
			</li>
			<li class="caption">
				<a href="#">菜单管理</a>
				<ul class="ul-sub-menu">
					<li><a href="#">主页设置</a></li>
					<li><a href="#">系统设置</a></li>
					<li><a href="#">报表设置</a></li>
				</ul>
			</li>
			<li class="caption">
				<a href="#">数据库管理</a>
				<ul class="ul-sub-menu">
					<li><a href="#">数据查询</a></li>
					<li><a href="#">数据更新</a></li>
					<li><a href="#">数据备份</a></li>
				</ul>
			</li>
			<li class="caption">
				<a href="#">站点管理</a>
				<ul class="ul-sub-menu">
					<li><a href="#">信息管理</a></li>
					<li><a href="#">数据管理</a></li>
				</ul>
			</li>
			<li class="caption">
				<a href="#">站点设置</a>
				<ul class="ul-sub-menu">
					<li><a href="#">站点1</a></li>
					<li><a href="#">站点2</a></li>
				</ul>
			</li>
			<li class="caption">
				<a href="#">联系我们</a>
			</li>
		</ul>
	</body>
</html>
